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[Bug tree-optimization/71691] [6/7 Regression] wrong code at -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu (Floating point exception)
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 04 Jul 2016 10:11:29 +0000
- Subject: [Bug tree-optimization/71691] [6/7 Regression] wrong code at -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu (Floating point exception)
- Auto-submitted: auto-generated
- References: <bug-71691-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71691
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The testcase looks invalid to me.
In the second iteration of the outermost loop, l = 1, g = 0, so it compares
uninitialized h with 7.